diff --git a/makefile b/makefile
index cd398ec9ccdb86751d95f329cffbc37980380376..1ade176c87b27885b961f1d97b18be91858e2b72 100644
--- a/makefile
+++ b/makefile
@@ -40,7 +40,8 @@ compile: easy-units
 
 # Compile into a standalone jar file
 jar: compile
-	mvn assembly:single
+	mvn clean compile assembly:single
+#	mvn assembly:single
 
 start-portforwarding:
 	sudo iptables -t nat -N CAOSDB